chore(release): promote repository-standards to main

AGENTS.md

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+# Agent instructions for CodesWhat/.github
+
+This repository is the organization's meta layer: community health defaults,
+the repository onboarding checklist (`REPOSITORY_ONBOARDING.md`), reusable CI
+workflows, the organization profile README and its generator, and the
+contract tests that pin the shapes other repositories depend on.
+
+## What lives here
+
+- `.github/workflows/go-ci.yml`, `node-ci.yml`, `release-gate.yml`,
+  `greptile-summon.yml`, `quality-report-aggregate.yml` — reusable workflows
+  consumed by other CodesWhat repositories.
+- `.github/tests/` — contract tests. These are the public API of the org's
+  shared configs (the `greptile.json` shape, the quality-report v1 contract,
+  the reusable CI inputs). Change a contract test and its consumers together,
+  never one side alone.
+- `profile/` — the organization profile README plus generated SVG assets
+  from `scripts/generate_profile_svg.py`. The untracked
+  `profile/font_reference.svg` is user-owned; leave it alone.
+
+## Rules that are specific to this repository
+
+- Consumers pin the reusable workflows to frozen full commit SHAs. Treat
+  every workflow change as breaking for pinned consumers: add new inputs
+  with safe defaults, never repurpose an existing input, and let consumers
+  adopt by rolling their pin deliberately.
+- PRs target `dev/repository-standards`. `main` advances only through
+  promotion PRs. Reconcile before promoting:
+  `git merge -s ours origin/main -m "chore(sync): reconcile main before promotion"`.
+  Verify promotions with tree equality
+  (`git diff --quiet origin/main origin/dev/repository-standards`), never
+  commit ancestry.
+- CodeRabbit auto-reviews PRs against `dev/*` branches only (scoped in
+  `.coderabbit.yaml`); summon it explicitly anywhere else and read its
+  inline comments before merging.
+- Commits are plain Conventional Commits, `<type>(scope): <description>`,
+  no emoji, no AI attribution trailers.
+- Never weaken branch protection or rulesets to land a change.
+
+## Validation
+
+Run before pushing (the lefthook pre-push hook runs the same set):
+
+```bash
+bash scripts/validate.sh
+```
+
+That script mirrors the Standards Validation CI job: contract tests, Python
+compile, YAML/JSON parse, markdownlint (with the separate profile config for
+`profile/README.md`), and actionlint/zizmor when installed locally.

LICENSE

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+MIT License
+
+Copyright (c) 2026 CodesWhat
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

lefthook.yml

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+# Local git hooks. Install once with: npx --yes lefthook install
+# pre-push mirrors the Standards Validation CI job via scripts/validate.sh.
+
+commit-msg:
+  commands:
+    conventional-commits:
+      run: bash scripts/check-commit-msg.sh {1}
+
+pre-push:
+  commands:
+    validate:
+      run: bash scripts/validate.sh

scripts/check-commit-msg.sh

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+#!/usr/bin/env bash
+# commit-msg hook: enforce plain Conventional Commits on the subject line.
+set -euo pipefail
+
+msg_file="$1"
+subject="$(head -n 1 "$msg_file")"
+
+case "$subject" in
+  "Merge branch '"*|"Merge pull request #"*|"Merge remote-tracking branch '"*|fixup!\ *|squash!\ *) exit 0 ;;
+esac
+
+if [[ "$subject" =~ ^Revert\ \".+\"$ ]]; then
+  exit 0
+fi
+
+pattern='^(feat|fix|docs|style|refactor|perf|test|build|ci|chore|revert)(\([a-z0-9./-]+\))?!?: [^[:space:]]'
+if ! [[ "$subject" =~ $pattern ]]; then
+  {
+    echo "commit subject must be plain Conventional Commits:"
+    echo "  <type>(scope): <description>"
+    echo "allowed types: feat fix docs style refactor perf test build ci chore revert"
+    echo "got: $subject"
+  } >&2
+  exit 1
+fi

scripts/validate.sh

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+#!/usr/bin/env bash
+# Local mirror of the Standards Validation CI job. Run before pushing;
+# lefthook pre-push runs this same script.
+set -euo pipefail
+cd "$(git rev-parse --show-toplevel)"
+
+echo "==> clean tree"
+if ! git diff --quiet || ! git diff --cached --quiet; then
+  echo "commit or stash local changes before pushing" >&2
+  exit 1
+fi
+
+echo "==> contract tests"
+python3 .github/tests/community_health_contract_test.py
+python3 .github/tests/greptile_summon_contract_test.py
+python3 .github/tests/greptile_config_contract_test.py
+python3 .github/tests/quality_report_contract_test.py
+python3 .github/tests/reusable_ci_contract_test.py
+
+echo "==> compile python"
+python3 -m compileall -q .
+
+echo "==> parse yaml and json"
+ruby -e 'require "yaml"; Dir.glob("**/*.{yml,yaml}", File::FNM_DOTMATCH).sort.each { |path| YAML.parse_file(path) }'
+python3 -c 'import json; from pathlib import Path; [json.load(path.open()) for path in Path(".").rglob("*.json")]'
+
+echo "==> markdownlint"
+npx --yes markdownlint-cli2@0.23.2 "**/*.md" "#profile/README.md"
+npx --yes markdownlint-cli2@0.23.2 "profile/README.md" --config .github/markdownlint-profile.yaml
+
+echo "==> actionlint"
+if command -v actionlint >/dev/null 2>&1; then
+  actionlint -color
+else
+  echo "actionlint not installed locally; CI will run it"
+fi
+
+echo "==> zizmor"
+if command -v zizmor >/dev/null 2>&1; then
+  zizmor --no-online-audits .github/workflows/
+else
+  echo "zizmor not installed locally; CI will run it"
+fi
+
+echo "==> ok"